Just as Islamic State (IS) has swept across Iraq, so too has it swarmed over social media—using the platform with a sophistication never before witnessed in this...BBC NewsFrom ACM Opinion | August 21, 2014

Ever got to grips with a problem? Picked up a new skill? Grasped a difficult concept? The language of learning is full of references to parts of the body outside...BBC NewsFrom ACM Opinion | May 7, 2014